Are table lamps for daily use or for school supplies?
The two kind is, in daily life, in the evening people do not need too bright light, desk lamp plays a role in regulating lighting, in learning, in order not to affect other people open, can use desk lamp.
Specific problems specific analysis, if used in learning a little more, that is, learning supplies, on the other hand, is daily necessities.
Desk lamp is placed in bedroom, that is daily necessities, put in study, that is study supplies, see how you use.